Advanced Control C220 Series - Page 41

Mechanical and Electrical Installation
C220/C420 Mechanical and Electrical Installation
40
Type Terminal
Terminal
Name
Function Description
Power
supply
+10V-GND
External
terminal of 10V
power supply
Provide +10V power supply for
external units, with maximum
output current of 10mA.
It is generally used as the operating
power
supply for the external
potentiometer.
The potentiometer resistance range
is 1kΩ to
5kΩ.
24V-COM
External
terminal of 24V
power supply
Provide +24V power supply for
external units. It is generally used as
the operating power supply for
digital input/output terminal and the
external sensor.
Maximum output current: 200mA
Analo
g
input
AI1-GND Analog input
terminal 1
1
、
Input voltage range: DC 0V to
10V (can be
customized as non-standard
-10VDC to +10VDC)
2
、
Input impedance: 20kΩ
AI2-GND
Analog input
terminal 2
1
、
Input voltage range: DC 0V to
10V (can be
customized as non-standard
-10VDC to
+10VDC)/0mA to 20mA, the
selection of which
depends on Key Cn3 on the control
panel.
2、Input impedance: 20kΩ at the
time of voltage input; 500Ω at the
time of current input.
Digital
Input
DI1-COM Digital Input 1
Optical coupling isolation.
Input impedance: 3.3kΩ.
DI2-COM Digital Input 2